package com.example.demo.service.impl;

import com.example.demo.service.IntegralService;

public class IntegralServiceImpl implements IntegralService {
    @Override
    public void incr(String orderNo) {
        System.out.println("退款");
    }

    @Override
    public void decr(String orderNo) {
        System.out.println("付款");
    }
}
